Your Professional Niobium Raw Material Manufacturer!
Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. is located in the High-tech Development Zone of Baoji City, Shaanxi Province. Its main products include conventional processed profiles and deep-processed products such as tantalum, niobium, titanium, zirconium, nickel, vanadium and their alloys. The company's products are widely used in many fields such as electronics industry, metallurgy industry, chemical industry, aerospace, biomedical engineering and superconducting industry.
Why Choose Us
Professional Team
Our company boasts an experienced and highly skilled professional team. Leveraging years of accumulated technical expertise and a pool of high-caliber talent, we are committed to providing customers with timely, efficient, and comprehensive after-sales service.
Quality Control
We specialize in the export of metal materials. We maintain strict control over every stage, from raw material smelting to finished product export, to ensure the selection of high-quality metal materials and to meet the highest standards at every step.
Qualification Certification
We have obtained ISO9001 quality management system certification, ensuring that our product quality and service levels adhere to international standards.
Sales Market
Our products are primarily exported to North America, Europe, and Asia, and we have established a robust international market network.
Our Best-Selling Niobium Raw Material Products
Melting Niobium
Smelting niobium is a high-purity, high-strength, and high toughness metal niobium product produced through specific smelting processes, widely used in scientific research fields such as aerospace, metallurgical industry, and new materials.
Niobium Strip
Niobium strip is a strip or rod material made of niobium metal, which has excellent physical and chemical properties of niobium and is widely used in special steels, high-temperature alloys, magnetic materials, niobium alloys and other fields.
Niobium Ingot
Niobium ingot is a block material made by processing niobium element through a series of processes, which has excellent properties such as high melting point, high strength, corrosion resistance, good thermal and electrical conductivity, and has a wide range of applications in many fields.
Melting Niobium Properties
|
Molecular Weight |
92.9 |
|
Appearance |
Silvery |
|
Melting Point |
2477 °C |
|
Boiling Point |
4744 °C |
|
Density |
8.57 g/cm3 |
|
Solubility in H2O |
N/A |
|
Electrical Resistivity |
152 Ω ·m (0 °C) |
|
Electronegativity |
1.6 Paulings |
|
Heat of Vaporization |
689.9 kJ/mol |
|
Poisson's Ratio |
0.4 |
|
Specific Heat |
0.27 kJ/kg·K |
|
Tensile Strength |
N/A |
|
Thermal Conductivity |
5.37 W/m ·K |
|
Thermal Expansion |
7.3 µm/(m·K) |
|
Vickers Hardness |
1320 MPa |
|
Young's Modulus |
105 GPa |
Melting Niobium Chemical Composition
|
Main element |
Nb |
Bal |
Bal |
|
Impurity elements |
Fe |
0.004 |
0.01 |
|
Si |
0.004 |
0.01 |
|
|
Ni |
0.002 |
0.005 |
|
|
W |
0.005 |
0.02 |
|
|
Mo |
0.005 |
0.01 |
|
|
Ti |
0.002 |
0.004 |
|
|
Ta |
0.005 |
0.07 |
|
|
O |
0.012 |
0.015 |
|
|
C |
0.035 |
0.005 |
|
|
H |
0.012 |
0.0015 |
|
|
N |
0.003 |
0.008 |

● Superconducting industry
● Used to produce niobium foil
● Heat shield in high temperature furnace
● Used to produce niobium welded pipe
● Used in the production of human implants.
Niobium Strip Specification
Size
|
Shape |
Thickness (mm) |
Width (mm) |
Length (mm) |
|
Sheet/Strip |
0.005"-0.200" |
Width Max. 12" |
Long Max. 10' |
Chemical Composition
|
Elements (max) |
C |
N |
O |
H |
Zr |
Ta |
Fe |
Si |
W |
Ni |
Mo |
Hf |
Ti |
|
R04200 |
0.01% |
0.01% |
0.02% |
0.00% |
0.02% |
0.10% |
0.01% |
0.01% |
0.03% |
0.01% |
0.01% |
0.02% |
0.02% |
|
R04210 |
0.01% |
0.01% |
0.03% |
0.00% |
0.02% |
0.30% |
0.01% |
0.01% |
0.05% |
0.01% |
0.02% |
0.02% |
0.03% |
Physical Property
|
Grade |
Tensile strength, psi (MPa), ≥ |
Yield strength (0.2% offset), psi (MPa),≥ |
Elongation in 1" gage length, %, ≥ |
|
|
>=0.010" |
<0.010" |
|||
|
R04200, R04210 |
18000 (125) |
10500 (73) |
20 |
15 |
● Superconductor materials
● Beams and girders in buildings and offshore drilling towers
● Special industrial machinery
● Oil and gas pipelines
● Railroad equipment
● Automobiles

Niobium Ingot Specification
|
Size |
Diameter 20-295 mm Length <1600 mm |
|
Material |
R04200, R04210 |
|
Standard |
ASTM B392 |
|
Purity |
99.9% |
|
Density |
8.57 g/cm3 |
|
Surface |
Polished |
Niobium Ingot Chemical Composition
|
Material |
Main elements(%) |
Impurities (Maximum %) |
||||||||||
|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
|
|
RO4200 |
Remainder |
0.004 |
0.004 |
0.002 |
0.005 |
0.005 |
0.002 |
0.07 |
0.015 |
0.0040 |
0.0015 |
0.003 |
|
RO4210 |
Remainder |
0.01 |
0.01 |
0.005 |
0.02 |
0.01 |
0.004 |
0.10 |
0.02 |
0.01 |
0.0015 |
0.01 |
Niobium Ingot Properties
|
Molecular Weight |
92.9 |
|
Appearance |
Silvery |
|
Melting Point |
2468 °C |
|
Boiling Point |
4742 °C |
|
Density |
8.57 g/cm3 |
|
Solubility in H2O |
N/A |
|
Electrical Resistivity |
12.5 microhm-cm @ 0 °C |
|
Electronegativity |
1.6 Paulings |
|
Heat of Fusion |
6.5 Cal/gm mole |
|
Heat of Vaporization |
N/A |
|
Poisson's Ratio |
0.4 |
|
Specific Heat |
0.064 Cal/g/K @ 25 °C |
|
Tensile Strength |
N/A |
|
Thermal Conductivity |
0.537 W/cm/K @ 298.2 K |
|
Thermal Expansion |
7.3 µm/(m·K) |
|
Vickers Hardness |
1320 MPa |
|
Young's Modulus |
105 GPa |
Niobium Ingot (Nb Ingot) Applications
Aerospace Industry:
Niobium's high strength and resistance to high temperatures make it suitable for components in jet engines and spacecraft, improving their performance and durability under extreme conditions.
01
Electronics:
Due to its excellent electrical conductivity, niobium is used in the production of capacitors and other electronic components.
02
Superalloys:
Niobium is added to steel and other metals to form superalloys, which are crucial for high-temperature applications such as turbines and nuclear reactors.
03
Medical Devices:
Its biocompatibility makes niobium suitable for medical implants and devices, ensuring safety and compatibility with the human body.
04
Optical Applications:
Niobium is used in the coating of glass for camera lenses and other optical instruments, enhancing the quality of light transmission and resistance to wear.
05
Packing
We will be carefully placed in wooden cases or cartons with additional support from soft materials to prevent any shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Order Process
Contact us: Contact us via email, phone or official website to get detailed information on product specifications, stock status and pricing.
Submit requirements: Clearly convey your specific requirements, including required quantity, quality grade and any special processing or packaging needs.
Receive quotation: We will provide a detailed quotation based on your requirements.
Confirm order: After reviewing and agreeing to all terms and conditions, please place a formal order and specify key details such as delivery date and payment method.
Track order: We maintain close communication with you throughout the production and delivery process to ensure timely delivery of order progress.
Accept goods: After receiving the goods, conduct a thorough quality inspection and quantity verification as specified in the contract.
Complete payment: Complete payment according to the payment method and schedule specified in the contract.
Our Certificate





FAQ
We're professional niobium raw material manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy niobium raw material for sale here and get pricelist from our factory. For price consultation, contact us.
niobium raw material, Niobium Strip, Niobium Ingot